Here I am giving you procedure to evaluation of marks in answer sheets of Graduate aptitude test in engineering below :

Marking Scheme
For 1-mark multiple-choice questions, 1/3 marks will be deducted for a wrong answer.
for 2-marks multiple-choice questions, 2/3 marks will be deducted for a wrong answer.
There is no negative marking for numerical answer type questions.

General Aptitude (GA) Questions

In all papers, GA questions carry a total of 15 marks.
The GA section includes 5 questions carrying 1 mark each (sub-total 5 marks) and 5 questions carrying 2 marks each (sub-total 10 marks).

Question Papers other than GG, XE and XL
These papers would contain 25 questions carrying 1 mark each (sub-total 25 marks) and 30 questions carrying 2 marks each (sub-total 60 marks)

Following formula for calculating the normalized marks, for CE, CS, EC, EE and ME papers.